Cyclist&#39;s ventilated helmet



FIG. 1 is a top plan view of a cyclist's ventilated helmet showing mynew design;

FIG. 2 is a right side elevational view thereof, the left side being amirror image;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a rear elevational view thereof.

The ornamental design for a cyclist's ventilated helmet, as shown anddescribed.